| Official Name: | Foster, West Virginia |
| Pushpin Map: | West Virginia#USA |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | West Virginia |
| Subdivision Type2: | County |
| Subdivision Name2: | Boone |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 879 |
| Coordinates: | 38.0972°N -81.7797°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 25081 |
| Area Code: | 304 & 681 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1554499[1] |
Foster is an unincorporated community in Boone County, West Virginia, United States. Foster is located on West Virginia Route 3, 3miles northeast of Madison. Foster has a post office with ZIP code 25081.[2]